perfdoc

Print V8 deoptimization reasons in a developer friendly way.

Example output:

!Default CLI output

Example output with --short flag:

!Short CLI output

Usage

``bash
npm i -g perfdoc
`

and then run the script you want to analyze

`bash
perfdoc foo.js
`

CLI

`txt
🔍 Print V8 deoptimization reasons in a developer friendly way

Usage:
$ perfdoc [options]

Options:
--short Hide code frame
--bail Exit with code 1 if a deoptimization has been found
--help, -h Show usage information and the options listed here

Examples:
$ perfdoc foo.js
$ perfdoc --short foo.js
$ node --trace-deopt foo.js | perfdoc
`

License

MIT`, see license file.